64315405

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1877}}^1$

素因数の和:1989

約数の個数: 32

約数和(自身を含む): 97355520

約数和(自身を除く): 33040115

約数列:

[1, 5, 7, 11, 35, 55, 77, 89, 385, 445, 623, 979, 1877, 3115, 4895, 6853, 9385, 13139, 20647, 34265, 65695, 103235, 144529, 167053, 722645, 835265, 1169371, 1837583, 5846855, 9187915, 12863081, 64315405]

約数ペア:

[(1, 64315405), (5, 12863081), (7, 9187915), (11, 5846855), (35, 1837583), (55, 1169371), (77, 835265), (89, 722645), (385, 167053), (445, 144529), (623, 103235), (979, 65695), (1877, 34265), (3115, 20647), (4895, 13139), (6853, 9385)]